<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
    {{message}}
    [[message]]
    <hr>
    <a v-bind:href="next">点击有惊喜</a>
    <hr>
    <a :href="next">点击有惊喜1</a>
</div>
</body>
<script type="text/javascript">
    var app = new Vue({
        el: '#app',
        delimiters: ['[[', ']]'],
        data: {
            message: 'hello',
            next: 'http://www.baidu.com'
        }
    })
</script>
</html>